大约有 44,000 项符合查询结果（耗时：0.0560秒） [XML]
What is the fastest method for selecting descendant elements in jQuery?
...from jQuery) works right to left, it will match ALL classes .child first before it looks if they are a direct child from id 'parent'.
Method 5
As you stated correctly, this call will also create a $(context).find(selector) call, due to some optimazation within the jQuery function, otherwise it cou...
How do I append one string to another in Python?
...ce.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
used to be O(n^2), but now it is O(n).
From the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_Concat(pv, w);
Py_XDECREF(...
Form onSubmit determine which submit button was pressed [duplicate]
I have a form with two submit buttons and some code:
8 Answers
8
...
Gradients on UIView and UILabels On iPhone [duplicate]
... With this approach, make sure to have two different gradients: one for regular displays and one for retina displays.
– Kamchatka
Oct 4 '11 at 2:39
10
...
Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
...
Use the instructions for resetting the root password - but instead of resetting the root password, we'll going to forcefully INSERT a record into the mysql.user table
In the init file, use this instead
INSERT INTO mysql.user (Host, User, Passw...
What is the second parameter of NSLocalizedString()?
...
The comment string is ignored by the application. It is used for a translator's benefit, to add meaning to the contextual usage of the key where it is found in your application.
For example, the Hello_World_Key key may take different values in a given language, depending on how forma...
How to move child element from one parent to another using jQuery [duplicate]
... another div on my page without losing any registered javascript behavior. For instance the search box has a function attached to the 'keyup' event and I want to keep that intact.
...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
...
A solution would be to force the key files to be kept permanently, by adding them in your ~/.ssh/config file:
IdentityFile ~/.ssh/gitHubKey
IdentityFile ~/.ssh/id_rsa_buhlServer
If you do not have a 'config' file in the ~/.ssh directory, then yo...
JavaScript URL Decode function
... Nice but it didn't remove '+' signs. @anshuman's answer worked best for me
– MusikAnimal
Jan 14 '13 at 17:17
2
...
PatternSyntaxException: Illegal Repetition when using regex in Java
...
The { and } are special in Java's regex dialect (and most other dialects for that matter): they are the opening and closing tokens for the repetition quantifier {n,m} where n and m are integers. Hence the error message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
...